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State the null and alternative hypotheses

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In an article appearing in Today's Health a writer states that the average number of calories in a serving of popcorn is 76. To determine if the average number of calories in a serving of popcorn is different from 76, a nutritionist selected a random sample of 20 servings of popcorn and computed the sample mean number of calories per serving to be 80 with a sample standard deviation of 6.3.

State the null and alternative hypotheses.

A. H0 : 76, H1 : < 76
B. H0 : = 80, H1 : > 80
C. H0 : = 76, H1 : ≠ 76
D. H0 : 76, H1 : > 76

Reference no: EM132461788

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